 package com.xxzuibang.day1;

import java.sql.SQLOutput;

public class Demo {
    public static void main(String[] args) {
        System.out.println(3 + 4 + 5 + "小黄");
        System.out.println(.123);
        System.out.println(5.12e2);//5.12*10~2
        System.out.println(5.12e-2);
        double d1=8.1/3;
        System.out.println(d1);

        char c1='一';
        System.out.println((int) c1);
        int  i2=19968;
        System.out.println((char) i2);




    }
}
